Schematic Diagram - Sharp QT-CD210 Service Manual

QT-CD210/C
PICK-UP UNIT
LD
MON
K
A
E
K
5
B
E
4
A
A
3
F
B
2
C
F
1
2200P
1M
2200P
1M
R-
1
TR+
R+
2
FO+ F+
3
F-
4
G
FO- 5
PD
B
6
VR
7
TR-
LD
8
+
M702
M
SPINDLE
MOTOR
-
SP+
6
SP-
5
+
SL+
M701
4
M
SLED
SL-
MOTOR
3
-
PU-IN
2
GND
1
SW702
C
PICKUP IN
CD MOTOR PWB-B
IC803
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
8.15V
1 16 0V
2 1.08V 17 0.24V
3 2.12V 18 2.13V
2.10V
4 19 2.09V
5 4.0V 20 4.03V
6 3.42V 21 3.38V
7 0V 22
0V
8 0V 23 0V
D
9 0V 24 0V
10 3.85V 25
3.70V
11 3.60V 26 3.71V
12 2.09V 27 2.09V
13 2.09V 28
2.11V
14 29
6.02V 2.10V
15 7.47V 30 8.14V
E
AM
TRACKING
AM BAND
COVERAGE
FM
TRACKING
FM BAND
COVERAGE
FM ROD
ANTENNA
IC1
PIN PIN
VOLTAGE VOLTAGE
F
NO. NO.
0.82V(0V)
1 13 1.22V(1.22V)
2 0V(0V) 14 1.22V(1.22V)
3 0.35V(1.03V) 15 3.20V(3.14V)
3.81V(3.82V)
4 16 3.14V(3.92V)
5 0V(0.13V) 17 0.7V(0.70V)
6 3.92V(3.86V) 18 1.08V(1.01V)
3.39V(3.18V)
7 19 0.4V(1.02V)
8 3.92V(3.86V) 20 3.92V(3.85V)
9 0V(0V) 21 3.92V(3.86V)
0V(0.14V)
10 22 3.92V(3.86V)
11 0.32V(0.32V) 23 3.92V(3.86V)
12 3.14V(3.29V) 24 3.92V(3.82V)
G
TAPE
RECORD/
PLAYBACK HEAD
L-CH
R-CH
ERASE HEAD
H
• The numbers 1 to
1
( ): CD STOP
MAIN PWB-A1
3.72V
1.87V
(5.0V)
(1.45V)
Q801
KTA1266 GR
SWITCHING
2.97V
(4.39V)
C802
0.022
+B
K C801
5 5
0.01
E
4 4
A
3 3
B
2 2
F
1 1
TR+
1 1
TR-
2 2
FC+
3 3
FC-
4 4
GND
5 5
PD
6 6
VR
7 7
LD
8 8
DM+
6 6
DM-
5
5
FM+
4
4
FM-
3
3
SLT+
2 2
SLT-
1 1
30 29 28
1 2 3
L3
AM BAR ANTENNA
TC3
1 3
VC3
fH TC3
fL L3
2
4
C21
fH TC4 2P(CH)
TC1
fL L4
fH TC1
fL L1
fH TC2
L1
fL L2 FM IF
24
FM BAND
AM RF
PASS FILTER
IN
F1
1 2 3
1 2
D1
1N4148
IC1
FM/AM IF MPX.
TA2111N
( ): AM
R104 R103
12K 12K
SW102
R102
R101 RECORD/
150
150 PLAYBACK
SW102-A SW102-F
R P R
3 2 1
19 20 21
SW102
RECORD/
PLAYBACK
1 1
2 2
3 3
C108
4 4
820P
16 17 18
6 5 4
P R
R
SW102-B SW102-G
9 8 7
P
R
SW102-C
SW102
RECORD/PLAYBACK
17 are waveform numbers shown in page 13.
2
Figure 8 SCHEMATIC DIAGRAM (1/2)
R801
22
C815 C816
C817
47/16 0.022
100/10
IC801
SERVO PRE AMP.
TA2109F
R802
2.2K
1 VCC RFN 24
C804
GND 23
2P
8
2 (CH)
FNI
3 22
FPI RFO
4 TPI
5 21
TNI AGCI
6 MDI RFGC 20
7 19
LDO RFGO
9
C819
RFIS 18
0.1(ML)
RFRP
8 SEL 17
10
9
TEB VRO 16
10 2VRO FEN 15
R811
22K
R803
11
TEN
82K
FEO 14
12 TEO 13
SBAD
C814
C813
0.047
47/16
FOO
TRO
27 26 25 24 23 22 21 20 19 18 17 16
CD
C807
IC803
2
3
0.047
LA6541D
4 13
5 6 7 8 9 10 11 12 14 15
+B
FMO
DMO
L4
AM OSC.
3 5 4
3 4
TC4
2
VC4
1 6
AM OSC.
AM ANT
FM ANT FM OSC.
VC1
VC2
C4
TC2
C6
4P(CH)
2 6 1
330P
C2 C3
18P
22P(UJ) C7
(CH)
2.2/50
L2
R2
2.7K
FM OSC.
23 22 21 20 19 18 17 16
FM RF
OUT
IC1
TA2111N
VCC
3 4 5 6 7
C12
4.7/50
2
CF1
CF3 10.7MHz
NC
460KHz
1 3 FM IF
3
AM IF
T3
AM IF
R105
10K
C115
R113
R115
0.018(ML)
8.2K
3.9K
C105
0.0027
R109 C109
C113
C117
120 270P
47/16
10/16
3 PRE AMP 1
0.6V 1.88V
R107
P OUT1
NF1
VOLTAGE:
1K
VCC
PLAY and REC
5
IN1
IC101
0V
C111
FILTER
BA3311L
330P
0V
ALC T
9 IN2
NF2 GND OUT2
C112 0.6V 11 4 0V 6 7 12 1.89V
330P 0V 0V
R108 C114
C110
R110 C118
P R114
47/16
1K
270P
120 10/16
8.2K
C106
R116
0.0027 C116
3.9K
0.018(ML)
R106
10K
3 4
– 8 –
+B
IC801
PIN PIN
VOLTAGE VOLTAGE
NO. NO.
1 4.84V 13 2.86V(0.99V)
2.04V
2 14 2.12V
3 2.04V 15 2.05V
R804
4 2.12V(0V) 16 2.05V
68K
5 2.11V(0V) 17 2.63V(1.15V)
6 0.18V(0V) 18
2.04V
R805 7 2.84V(0V) 19 2.07V
R807
39K
8 2.41V(0V) 20 2.17V
1K
2.05V
9 21 2.04V
10 4.08V 22 1.47V(0.77V)
R806
11 2.05V 23 0V
2.7K
12 2.08V 24 2.05V
( ): CD STOP
C820
C818
0.1(ML) 56P
C822
0.047
C821
100/10
IC803
FOCUS/
TRACKING/
SPIN/
SLED DRIVER
LA6541D
+B 8.15V
(8.3V)
C805
Q802
0.022
KTA1273 Y
C806 C856
SWITCHING
330/16 0.001
R850
1.5K
R5
3.3K
C10
1/50
15 14 13
8 9 10 11 12
C15
10P
C22
(CH) 0.1/50
C19
COR1
0.015
2
CORE
(ML)
NC
R8 R9 R10
NC
10K 10K 2.2K
1
NC
T2
FM DETECTION
R121
1.8K
R117 SW102
3.9K
RECORD/
PLAYBACK
SW102-E
R119
3.3K
P
R
R123
22 23 24
3.3K
4.67V
8
C123
10
4.62V 220/10
2
0V
SW102
R125
RECORD/
680K
PLAYBACK
C122
R124
0.01
3.3K
13 14 15
P
R
SW102-H
R118
3.9K
R122
1.8K
5
C825
47/16
C826
47P
R820
47K
R827
C82
15K 0.0
C830
0.01(ML)
C828
C832
47/16
0.0027
C829
0.0047
R828
10K
C833
0.033(ML)
C863 C854
47/16 0.0068
R830
10K
C841
0.047
R831
3.3K
R833
3.3K
C842
0.047
C834
470P
C843 C835
47/16
470P
C836
0.047(ML)
C837
1
0.047(ML)
2
C838
0.047(ML)
3
C839 C
0.047(ML)
0.
+B
L801
0.82 H
8.21V
(8.3V)
D801
1N4004
7.48V
(7.59V)
( ): CD STOP
4.97V(5.0V) +B
0V 3
(0V)
2
Q803
0V KRC107 M
1
(0V) SWITCHING
R456
15K
R458
1K
R455
15K
R457
1K
R7
120
R6
100
SW201-B
TAPE 8
AM
9
R11
L-CH
12
2.2K FM
10
CD
11
SW201
FUNCTION
SELECTOR
TAPE
17
AM
16
13 R-CH
FM 15
SW201-C
CD 14
R126
100
IC101
SW102-D
SW10
REC./ R P
10 RECO
12 11
P.B. EQUALIZER AMP.
PLAY
BA3311L
L301
R351
BIAS OSC.
100
4 3
6 2 C354
0.022
1
C351
R35
0.0022
150
(ML)
C352
100/10
6